Answer:
Nitrogen atom (neutral)
- Atomic number: 7
- Atomic mass: 16
- #protons (+): 7
- #neutrons: 9 (Atomic mass - Atomic number)
- #electrons (-): 7
- Overall charge: 0 (neutral atom has equal number of protons and electrons)
- Electron configuration: 1s² 2s² 2p³ (two electrons in the 1s orbital, two electrons in the 2s orbital, and three electrons in the 2p orbital)
Nitrogen ion
- Atomic number: 7
- Atomic mass: 16
- #protons (+): 7
- #neutrons: 9 (Atomic mass - Atomic number)
- #electrons (-): 10 (one additional electron)
- Overall charge: -1 (negative ion, gained one electron)
- Electron configuration: 1s² 2s² 2p⁶ (two electrons in the 1s orbital, two electrons in the 2s orbital, and six electrons in the 2p orbital)
The atomic mass of #1 (neutral nitrogen atom) and #3 (nitrogen isotope) are different because they have different numbers of neutrons. The neutral nitrogen atom has 9 neutrons, while the nitrogen isotope has 9 neutrons. The electron configuration of #1 (neutral nitrogen atom) and #2 (nitrogen ion) is different because the nitrogen ion has gained one extra electron. The extra electron occupies an available space in the 2p orbital, resulting in a different electron configuration.
Diagram #2 is considered an ion because it has a different number of electrons than the neutral nitrogen atom. The nitrogen ion in diagram #2 has 10 electrons, one more than the neutral nitrogen atom. It is a negatively charged ion (-1) because it has gained one electron. This type of ion is called a nitride ion. The number at the end of the nitrogen isotope's electron configuration represents the number of electrons in the outermost energy level or shell. For nitrogen, the number at the end is 5, indicating that it has 5 electrons in its outermost shell.
Explanation:
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⠀⠀⠀⠀⢀⣀⣀⡀⠀⠀⠀⠀⠀⠀⠀⣠⠾⠛⠶⣄⢀⣠⣤⠴⢦⡀⠀⠀⠀⠀
⠀⠀⠀⢠⡿⠉⠉⠉⠛⠶⠶⠖⠒⠒⣾⠋⠀⢀⣀⣙⣯⡁⠀⠀⠀⣿⠀⠀⠀⠀
⠀⠀⠀⢸⡇⠀⠀⠀⠀⠀⠀⠀⠀⢸⡏⠀⠀⢯⣼⠋⠉⠙⢶⠞⠛⠻⣆⠀⠀⠀
⠀⠀⠀⢸⣧⠆⠀⠀⠀⠀⠀⠀⠀⠀⠻⣦⣤⡤⢿⡀⠀⢀⣼⣷⠀⠀⣽⠀⠀⠀
⠀⠀⠀⣼⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠙⢏⡉⠁⣠⡾⣇⠀⠀⠀
⠀⠀⢰⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⠋⠉⠀⢻⡀⠀⠀
⣀⣠⣼⣧⣤⠀⠀⠀⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⡀⠀⠀⠐⠖⢻⡟⠓⠒
⠀⠀⠈⣷⣀⡀⠀⠘⠿⠇⠀⠀⠀⢀⣀⣀⠀⠀⠀⠀⠿⠟⠀⠀⠀⠲⣾⠦⢤⠀
⠀⠀⠋⠙⣧⣀⡀⠀⠀⠀⠀⠀⠀⠘⠦⠼⠃⠀⠀⠀⠀⠀⠀⠀⢤⣼⣏⠀⠀⠀
⠀⠀⢀⠴⠚⠻⢧⣄⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⠞⠉⠉⠓⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠈⠉⠛⠛⠶⠶⠶⣶⣤⣴⡶⠶⠶⠟⠛⠉⠀⠀⠀⠀⠀⠀⠀
B) They may form either long, thin fibrous molecules or compact, rounded globular molecules.
C) They store genetic information for cellular metabolism.
D) They form through hydrolysis reactions.
E) a and b
Correct answer is Option E, which includes options A and B. Proteins can enhance specific chemical reactions as enzymes and can form diverse structures. Proteins do not store genetic information and do not form through hydrolysis reactions.
The correct answer to this question is Option E, which are options A and B. Proteins do indeed have the ability to enhance the rate of specific chemical reactions. These are known as enzymes. Another characteristic of proteins is their diverse structure, as mentioned in option B. They can form long, thin fibrous molecules like collagen or compact, rounded globular molecules like hemoglobin. However, they do not store genetic information (that is the function of DNA and RNA), nor do they form via hydrolysis reactions. Proteins are synthesized through a process called dehydration synthesis, not hydrolysis.
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A only
A and B
C only
D only
Answer: D only.
Explanation:
The amount of Earth's water located in oceans is 97%. Rest 3% is in the form of rivers, glaciers, polar ice-caps, lakes and ground water. Out of this 3% also, only 0.3% is freshwater which found in swamps, lakes and rivers.
In the pie chart, part D represents 97%. Thus, part D only represents the amount of Earth's water located in the oceans.
Order of increasing atomic mass!
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of the Constitution?
(1) protesting the impressment of United States
sailors
(2) purchasing the Louisiana Territory from
France
(3) pardoning violators of the Alien and Sedition
Acts
(4) using the United States Navy to subdue the
Barbary pirates
Answer:
136.36 mL
Explanation:
Here we have to use the dilution formula
From C1V1= C2V2
Where;
C1= initial concentration of the solution= 12.0 M
C2= final concentration of the solution= 2.20 M
V1 = initial volume of the solution= 25.0 ml
V2= final volume of the solution= ?????
Then recall;
C1V1=C2V2
V2 = C1V1/C2
Substituting values from the parameters given;
V2= 12.0 × 25.0 / 2.20
V2= 136.36 mL